Lodge, George C., author
Harper & Row, 1962
Buku Teks
McDiarmid, Orville John, author
John Hopkins University Press, 1977
Buku Teks
Jemila Rahmi, author
Fakultas Ekonomi dan Bisinis Universitas Indonesia, 2021
UI - Tesis (Membership)
Edwards, Edgar O.
Columbia University Press, 1974
Buku Teks
Schmitz, Hubert, author
Croom Helm , 1985
Buku Teks